Lighting fixture



FIG. 1 is a perspective view of the design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown on the drawings depict portions of the lighting fixture that form no part of the claimed design. 

CLAIM The ornamental design for a lighting fixture, as shown and described. 